Sylius 1.12 tests update

[Prometee]

• [x] Use webpack
• [x] Reorganize config file among Sf versions
• [x] Update dependencies
• [x] Fix VIES bundle with Sf 6
• [x] Add Sylius 1.12 tests
• [x] Add Symfony 6 tests
• [x] Use autoload runtime
• [x] Remove Sylius 1.8 and Symfony 4.4 tests